Possible BGP hijack

Beginning at 2020-11-18 18:15:38 UTC, we detected a possible BGP hijack.

Prefix 178.218.242.0/24, is normally announced by AS208507 HITACHI-CAPITAL, GB.

But beginning at 2020-11-18 18:15:38, the same prefix (178.218.242.0/24) was also announced by ASN 29180.

This was detected by 54 BGPMon peers.

Expected
Start time: 2020-11-18 18:15:38 UTC
Expected prefix: 178.218.242.0/24
Expected ASN: 208507 (HITACHI-CAPITAL, GB)
Event Details
Detected advertisement: 178.218.242.0/24
Detected Origin ASN 29180 (O2-ONLINE-AS ripe@o2.com 20170104, GB)
Detected AS Path 133812 137363 18351 6939 12956 35228 29180
Detected by number of BGPMon peers: 54

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